Tramadol is synthetic opioid so it is a narcotic per say(fentanyl, sufenta, alfentanil etc are all synthetic opioids), but is highly receptor specific so there is very little problem with respiratory depression, dependence etc.
The Smithsonian Institution (/smÉªÎ¸ËsoÊniÉn/ smith-SOE-nee-Én), established in 1846 for the increase and diffusion of knowledge, is a group of museums and research centers administered by the Government of the United States.
The Smithsonian's Castle. The Smithsonian Institution Building, a National Historic Landmark, was designed by the prominent New York architect, James Renwick, Jr., who would later design the Renwick Gallery (originally the Corcoran Gallery of Art) in Washington, and erected on the Mall between 1847 and 1855.